This document summarizes 20 individual emotions categorized into three sections: basic emotions, self-conscious emotions, and cognitively complex emotions. For each emotion, the summary provides a brief description of what causes the emotion and its evolutionary function based on the source text by Reeve (2015). The basic emotions include fear, anger, disgust, sadness, joy, interest, and contempt. The self-conscious emotions include shame, guilt, embarrassment, pride, and triumph. The cognitively complex emotions include envy, gratitude, disappointment, regret, hope, schadenfreude, empathy, and compassion. Images are provided as examples to illustrate some of the emotions.